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DIN flange summary chart

Description	Rated Pressure / Presión Nominal / Nenndruck (in bar) (1 bar = 14.5 psi)
	1	2.5	6	10	16	25	40	64	100	160	250	320	400
	DIN
Blind Flanges			2527	2527	2527	2527	2527	2527	2527
Flat flange for welding (slip-on)			2573	2576
Welding neck flanges	2630	2630	2631	2632	2633	2634	2635	2636	2637	2638	2628	2629	2627
Lapped flanges, Plain collars			2641	2642
Loose flanges and rings for welding			2652	2653		2655	2656
Loose flanges and rings with neck for welding				2673
Oval plain threaded flanges			2558
Oval flanges, with neck threaded				2561	2561
Threaded flanges with neck			2565	2566	2566	2567	2567	2568	2569
Long neck welding flanges				28115		28115
Hubbed slip-on flanges for welding				86029	86030

*These are the most popular DIN flange styles.

Note: Newest Flange data charts - 2009 DIN 2502 and DIN 2503 Flat flange for welding (slip on) UNI 2255-67 PN 40, UNI 2256-67 PN 64 and UNI 2257-67 PN 100 BSPT Threaded Flange with hub UNI 2289-67 PN 6, UNI 2290-67 PN 10 and UNI 2291-67 PN 16 Lap joint flanges with stub end UNI 2292-67 PN 25 and UNI 2293-67 PN 40 Lap joint flanges with stub end UNI 2299-67 PN 25 and UNI 2300-67 PN 40 Lap joint flanges with slip-on-welding collar UNI 6098-67 PN 160 and UNI 6099-67 PN 250 Blind Flanges UNI Flange Bolting Specifications UNI 6100-67 Flange Tolerances (updated) UNI 2276-67 PN6 (DIN 2575 ND6), UNI 2277-67 PN10 (DIN 2576 ND10), UNI 2278-67 PN16 (DIN 2577 ND 16) Flat flange for welding (slip on) - (updated)